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Textile Nanocomposite of Polymer/Carbon Nanotube
Full text linkCarbon nanotube (CNT) possess outstanding electrical, mechanical, anisotropic, and thermal properties to be employed in several material science applications. Polymer/carbon nanotube forms an important class of nanocomposites for textile uses. Different techniques have been used to develop such textiles including dip coating, spraying, wet spinning, electrospinning, etc. Enhanced nanocomposite performance has been attributed to synergistic effect of polymer and carbon nanotube nanofiller. Textile performance of polymer/CNT nanocomposite has been potentially important for flame retardant clothing, electromagnetic shielding wear, anti-bacterial fabric, flexible sensors, and waste water treatment. In this article, researches on application areas of polymer/CNT in textile industry has been reviewed. Modification of nanotube may lead to variety of further functional textiles with different high performance properties
Isolation of Bacteriophage and Assessment of its Activity against Biofilms of Uropathogenic Escherichia coli in Jimma Town, South Western Ethiopia
Full text linkEscherichia coli is one of the most commonly associated bacteria with urinary tract infections (UTIs) in humans and many times are antimicrobial resistant. Production of biofilms further makes matters worse in UTIs. Alternative therapy using bacteriophages was known in the past. This study was aimed to isolate lytic bacteriophages from sewage samples and assess their activity against biofilm of uropathogenic E. coli (UPEC). Lytic phage was isolated from sewage water collected in Jimma town following standard enrichment method against UPEC. E. coli was isolated from UTI suspect patients using standard protocol. Microtiter plate technique was used to determine bacterial biofilm formation. Biofilm degrading efficacy of phage was assessed by treating biofilm developed on cover slip with standardized number of lytic phages or gentamicin compared with the control E. coli (untreated cells). Of 30 UPEC strains isolated from patients, 29 (96.6%) of them displayed biofilm forming phenotype. The strains with strongly biofilm positive were 76.6%. Generally, antibiotic resistance for biofilm producing E. coli was found to be high. Virulent phage (FJS4) was isolated which was effective against a strong biofilm former UPEC strain. Application of FJS4 phage or gentamicin to established biofilms have caused significant reduction of the cells within 3 hours of application and almost complete eradication of the cells within 36 hrs of incubation at 37°C. These results uphold the efficacy of phage against biofilm of UPEC and suggest that FJS4 phage may be a potential therapeutic alternative to antimicrobials on inanimate and animate surfaces
Editorial on Advanced Microbiology Research
Full text linkThe advancement of microbiology is not only motivating but also compelling especially in the areas such as treatment of cancer. Below are few of numerous advanced research which will aid humans against cancer in the long run
Results of a Professional Medical Counseling/surveillance in Preoperative Weight Loss
Full text linkBackground:Preoperative weight loss reduces the risk for complications after bariatric surgery.Objectives:To evaluate the effectiveness of a preoperative counseling program compared to general recommendations alone.Setting: Obesity Surgery Unit. Reina Sofia General University Hospital. Murcia (southeast Spain).Methods: Prospective, randomized controlled study including 162 patients. Participants were randomly assigned to our preoperative intensive behavioral/lifestyle program (Counseling Group:55, 78% women) or to receive general nutritional recommendations (Reference Group:49, 82% women). Primary endpoint was a between-group comparison of percent excess weight loss (%EWL) at 4 months.Results: Counseling Group: baseline Body Mass Index (BMI)1was 45.9±7.3kg/m2 when enrolled into the education program and reduced to to BMI2:43.2±5.6kg/m2 the day before the operation. After the motivational intervention, we got an average loss of 7.3±3.7kg of body weight and 12.4%EWL in 16 weeks.Reference Group: mean BMI1 was 45.5±7.3kg/m2. The day before surgery, BMI2 was: 46.1±6.1kg/m2. Over a period of 16 weeks the average weight gain was 1.8±1.1kg and -3%EWL (p=0.12). Weight gain was observed in 55% of these patients.The comparison of the mean %EWL in both groups did not reveal any statistically significant differences. Conclusions: The educational intervention was not statistically significant more effective than general nutritional recommendations in achieving weight loss
Biostimulation of Immobilized Microbes in a Fixed-Bed Bioreactor towards Hydrocarbon-Contaminated Water Remediation Using Compost Tea and Egg Shell Powder
Full text linkThe need to satisfy the ever increasing petroleum demand coupled with the availability of enough crude oil reserves to meet demand for several decades to come makes petroleum contamination a globally important subject. Bioremediation has emerged as an efficient treatment option for the remediation of organic contaminants including petroleum owing to the failure of physico-chemical treatment options to address petroleum contamination. The current study targeted the application of compost tea (CT) and egg shell powder (ESP) solution at various levels as nutrient amendments/bio-stimulants for hydrocarbon-eating microbes attached to support media surfaces in a fixed-bed bioreactor system. CT and ESP were characterized to be rich in essential nutrients including N, P, K, Ca, Mg, Na and C. CT and ESP application at four levels each recorded appreciable boosts in microbial numbers and TPH removal across applied levels. CT application recorded 23.49±2.20 to 29.36±0.79 % boost in TPH removal and 17.03±3.01 to 61.07±2.26 % boost in microbial mass. Boosts in TPH removal assumed the order 3200 ml 1600 ml 800 ml 400 ml. ESP application similarly recorded 27.56±2.62 to 29.57±0.90 % boost in TPH removal and 17.50±1.60 to 24.43±2.05 % boost in microbial mass. Recorded TPH removal boosts assumed the trend 20 g/l 10 g/ l 2.5 g/l 5 g/l
Primary penoscrotal myxoid chondrosarcomas
Full text linkIntroduction: Extraskeletal myxoid chondrosarcoma (EMC) is a rare tumor of cartilaginous origin, most commonly located in the extremities that usually presents as a slow growing mass in fifth to sixth decades of life. Primary genitourinary tract involvement is extremely rare; about ten cases reported so far and due to such a low incidence, therapeutic approach is very challenging Case presentation: We report 2 year follow-up of a 38-year-old man with penoscrotal EMC that has been managed by complete tumor excision.Conclusion: Wide excision seems to be the best treatment. Our patient had no signs of local recurrence or metastasis during 4 years of follow up period
Rare Recurrence of Esophageal Cancer as Bone Marrow Carcinomatosis Leading to Bone Marrow Failure and DIC
Full text linkIntroduction: Esophageal cancer portends a poor prognosis due to high risk of recurrence, even following treatment with curative intent. Recurrence often occurs as distant metastasis, commonly in liver, lung, bone and brain with bone marrow metastasis being infrequently cited in medical literature. Herein we describe a case of bone marrow metastasis of an esophageal primary following resection.Case presentation: A 78 year-old male with locally advanced GEJ cancer who underwent chemotherapy followed by surgical resection with complete pathological response presented 6 weeks later with right lower quadrant pain. He was found to have hemorrhage in right perinephric space secondary to a ruptured kidney cyst with labs suggestive of DIC and hemolytic anemia. Patient was transfused multiple units of FFP, cryoprecipitate, and blood and ultimately required coil embolization of the right renal artery. The patient was discharged home after prolonged hospital course, and was found to have persistent pancytopenia with hypofibrinoginemia. Bone marrow aspirate and biopsy were performed, which revealed a necrotic marrow replaced with signet ring adenocarcinoma consistent with his esophageal primary. Patient requested hospice care and died six weeks later. Conclusion: Recurrence of esophageal cancer is common and can occur locoregionally or as distant metastasis, however bone marrow as a site of metastatic spread occurs infrequently. Esophageal cancer recurs typically within two years of resection, therefore follow up and surveillance is a vital component of management, keeping in mind that bone marrow is a possible though atypical site of recurrence
Localization of conductivity towards scalable and sustainable wearable electronics
Full text linkLocalized conductivity on fabrics is envisioned to make a shift in sustainable wearable electronics. Among the wearable electronics, localized conductivity has not been widely reported yet. Hence, we report a simple way to localize conductivity on polyester fabrics using reduced Graphene Oxide (rGO). Coupling agent, (3-aminopropyl) triethoxysilane (APTES) was used to change the chemically dormant nature of polyester fabrics, which made easy networking with GO. Then, the GO coating was substantially reduced to rGO, accomplishing conductive tracks on fabrics. rGO coated fabric showed a surface resistivity of 320 Ω/□. Even after 20 washing cycles, a significant change in surface resistivity was not observed which signifies a good wash fastness. APTES created a covalent bond network between rGO and polyester, which was proven by FTIR. This cost effective and sustainable method endows the electronic textile industry with a rapid improvement towards scalable production
Conservative Treatment of A Follicular Ameloblastoma Of The Anterior Mandible: A Case Report
Full text linkIntroduction: Ameloblastoma is a tumor of odontogenic epithelium arising from remnants of dental lamina. It is a benign tumor but locally invasive affecting mandible more than maxilla.Presentation of the case: A 36-year-old male patient reported with a swelling on the anterior mandibular area and extended to the right side of mandible. Orthopantomogram revealed a unilocular radiolucency extending from mesial side of tooth 34 to mesial side of 45. CT Scan showed the extension of the lesion in the mesio-distal axis. It also revealed the buccal cortical expansion and the preservation of the internal bone cortical. Enucleation conservative treatment was then performed under local anesthesia with extraction of the 43. The pathology report concluded a Follicular Unicystic Ameloblastoma. The patient was then followed up over a period of one year and showed a notable reduction of the size of the lesion with no signs of recurrence.Conclusions: Conservative treatment is highly recommended in unicystic follicular patterns of ameloblastoma rather than radical treatment
Complications after Use of Iliac Bone Graft for Post Cleft Alveolar Bone Defect
Full text linkBackground: The purpose of the present study was to evaluate the efficacy of the iliac bone graft for secondary alveolar bone grafting in cleft patients and to monitor its complications as a donor site during the last five years, in maxillofacial unit, faculty of medicine, Assiut University, Egypt.Methods: Eighteen cleft patients with secondary alveolar bone grafts using iliac crest bone grafts were included in this study, 10 males and 8 females ranging in ages from 6–22 years. Full history taking, operative details, and follow up to one year postoperatively, early and late postoperative complications reported and analyzed.Results: the iliac bone was reliable as a donor site for bone grafting of the alveolar cleft, the success rate was 11/18, also 5/18 had success from the second interference, the overall complications were acceptable.Conclusions: the anterior iliac crest is one of the best sites for autogenous bone graft for treatment of secondary alveolar cleft; it gives a big volume of highly vascular cancellous bone, with accepted range of postoperative complications